[    2.002815] ip (254) used greatest stack depth: 12392 bytes left
[    2.496586] ip (285) used greatest stack depth: 12360 bytes left
[    4.017685] ip (391) used greatest stack depth: 12344 bytes left
[   56.922206] netem: version 1.3
[   76.411025] ip (2504) used greatest stack depth: 12304 bytes left
[  108.595301] ip (2756) used greatest stack depth: 12192 bytes left
[  537.299947] ip (10726) used greatest stack depth: 12064 bytes left
[  607.436964] tc (12612) used greatest stack depth: 11896 bytes left